Overview
- 952 inspections across 415 sites are on record.
- 813 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-06-23.
At a glance
Inspections
952
Sites
415
Observations
813
Career since
Aug 2008
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Seaway Port Authority (Duluth) | 23 Jun 2026 | Foods & Cosmetics | |
| Proliant Dairy, LLC | 12 Jun 2026 | Foods & Cosmetics | |
| Yoli Inc. | 4 Jun 2026 | Foods & Cosmetics | View 483 → |
| Delta Air Lines | 3 Jun 2026 | Foods & Cosmetics | |
| Delta Air Lines | 29 May 2026 | Foods & Cosmetics |
Sites inspected
Seaway Port Authority (Duluth)Duluth, United States1 insp.
Proliant Dairy, LLCMelrose, United States1 insp.
Yoli Inc.Blaine, United States1 insp.
Delta Air LinesMinneapolis, United States2 insp.
Co-investigators
Investigators who share inspections with this person.
Karla J Youngberg16 shared
Bradley A Servais9 shared
Liliya V Bubiy7 shared
Amy L Mcintyre7 shared
Jennifer R Mathern7 shared
Greg A Abel6 shared
Karen M Labounty6 shared
Dianna C Sonnenburg5 shared
Mada A Tautges4 shared
Sana A Elassar4 shared
Full investigator report
Get the verbatim findings behind Maria E Treadwell's 813 observations
Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.
- New inspections and Form 483s, mapped to the CFR citation
- Warning letter outcomes, and the citation patterns they repeat
- Their co-investigators, so no surprises about who shows up on site